Big Fork River at Big Falls, MN
River level and flood forecast · Koochiching County
Normal3.2 ftas of Mon 1 PM
The river is 12.8 ft below flood stage (16 ft).
Flow: 204 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Moderate flood stage | 18 ft |
| Flood stage | 16 ft |
| Record crest (May 8, 1950) | 17.08 ft |
What floods at each level
From the National Weather Service, highest first.
- 18 ftBackwater on the Sturgeon River threatens CR 30 bridge just west of Big Falls.
- 16 ftWater into the Big Falls city park campground lowest areas.
Highest crests on record
- 17.08 ft — May 8, 1950
- 15.9 ft — April 22, 1979
- 15.79 ft — April 16, 1969
- 15.12 ft — April 26, 1937
- 15 ft — April 20, 1982
Recent crests: 8.12 ft (May 24, 2024) · 12.04 ft (April 15, 2023) · 13.1 ft (April 26, 2022) · 9.17 ft (April 13, 2021) · 10.02 ft (April 9, 2020)
Up and down the river, and nearby
- DownstreamRainy River at Manitou Rapids, MN
- Little Fork River at Littlefork, MN
- Rainy River at Boat Landing Blw International Falls, MN
- Red Lake River at Upper Red Lake at Waskish, MN
- Rainy River above Gold Portage Outlet nr Kabetogama, MN
- Rapid River near Baudette, MN
- Vermilion River (MN) at Crane Lake, MN
- Prairie River (MN) near Taconite, MN
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BIFM5); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.